725436314527 has 4 divisors (see below), whose sum is σ = 743129883216. Its totient is φ = 707742745840.

The previous prime is 725436314501. The next prime is 725436314543. The reversal of 725436314527 is 725413634527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-725436314527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725436314557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8846784283 + ... + 8846784364.

It is an arithmetic number, because the mean of its divisors is an integer number (185782470804).

Almost surely, 2^725436314527 is an apocalyptic number.

725436314527 is a deficient number, since it is larger than the sum of its proper divisors (17693568689).

725436314527 is a wasteful number, since it uses less digits than its factorization.

725436314527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17693568688.

The product of its digits is 4233600, while the sum is 49.

The spelling of 725436314527 in words is "seven hundred twenty-five billion, four hundred thirty-six million, three hundred fourteen thousand, five hundred twenty-seven".